Outdoor 4 is our most affordable wireless smart security camera yet, offering up to two-year battery life for around-the-clock peace of mind. Local storage not included with Sync Module Core. | See and speak from the Blink app - Experience 1080p HD live view, infrared night vision, and crisp two-way audio. | Two-year battery life - Set up in minutes and get up to two years of power with the included AA Energizer lithium batteries and a Blink Sync Module Core. | Enhanced motion detection - Be alerted to motion faster from your smartphone with dual-zone, enhanced motion detection. | Person detection - Get alerts when a person is detected with embedded computer vision (CV) as part of an optional Blink Subscription Plan (sold separately). | Save and share clips - While Sync Module Core doesn't offer local storage, securely store your footage in the cloud with a free 30-day trial of a Blink Subscription Plan. You can also back it up locally with a Sync Module XR and a MicroSD card or Sync Module 2 and USB flash drive (all sold separately). | Works with Alexa - Connect to an Alexa-enabled device to engage multi-camera live view, arm and disarm your system, and more using your voice. | Includes two Outdoor 4 cameras, one Sync Module Core, four AA Energizer lithium batteries, two mounting kits, one USB-C cable, and one power adapter.